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20 FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +001(239)693-0099 FAX +001(239)693-1554 http://www.foxonline.com
© 2004 FOX ELECTRONICS
FEATURES
• Low Cost
• Stock Standard
• Fundamental to 50 MHz
• Tape and Reel (1,000 pcs. STD)
OPTIONS
• Tolerances to < 10 PPM
• Stabilities to < 5 PPM
• Temperatures to -40ºC ~ +85ºC
• 3.2mm Height Max (HC49SSD)
1 Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer Service for
specific requirements.
2 Crystal has a ±30ppm tolerance specification for all standard part numbers. These part numbers are listed in
the Fox catalog on the Standard Crystal table.
All specifications subject to change without notice. Rev.
2/25/04
RESISTANCE WELD SMD CRYSTAL
HC49SD
3.200 ~ 70.000 MHz
±50 PPM
±50 PPM
-10ºC ~ +70ºC
-40ºC ~ +85ºC
7.0 pF
10 pF ~ Series
(Customer Specified)
0.5 mW
±5 PPM
Frequency Range
Frequency Tolerance2 @ 25ºC
Frequency Stability, ref @ 25ºC
Over Operating Temp Range
Temperature Range
Operating
(TOPR)
Storage
(TSTG)
Shunt Capacitance
(Co)
Load Capacitance
(CL)
Drive Level
Aging @ 25ºC; per year
• STANDARD SPECIFICATIONS1
PARAMETERS
See page 28 for tape and reel specifications.
3.200 ~ 3.500
3.500+ ~ 4.000
4.000+ ~ 5.000
5.000+ ~ 6.000
6.000+ ~ 7.000
7.000+ ~ 9.000
9.000+ ~ 13.000
13.000+ ~ 20.000
20.000+ ~ 50.000
27.000 ~ 70.000
Frequency Range
(MHz)
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
300
200
150
120
100
80
60
40
30
100
Operating Mode
Max ESR
Ω
Ω
Ω
Ω
Ω
All dimensions are in millimeters.
MAX (unless otherwise noted)
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